Engine Backfire on Deceleration: Air Injection Bypass Valve TSB
FIGURE 19
4.
To install vacuum bypass line, connect RED vacuum tubing to the 1-1/2 inch rubber vacuum hose on the nylon vacuum tee
fitting. Connect opposite side of nylon vacuum tee fitting to rubber connector. Attach other 1-1/2 inch vacuum hose that is
attached to nylon vacuum elbow 90~ fitting to air bypass valve assembly vacuum fitting, Figure 19.
FIGURE 20
5.
Modify Vehicle Emission Control Information sticker vacuum routing diagram with a SHARPIE PEN as shown in Figure 20.
